Teacher:Which is the longest river in the world? 世界上最长的河流是那一条? Student:The Nile. 尼罗河. Teacher:Which is the biggest ocean in the world? 世界上最大的海洋是那一个? Student:The Pacific Ocean. 太平洋. Teacher:Which is the best school in the village? 本村最好的学校是那一所? Student:But...this is the only school in the village,sir. 但是……老师, 本校是村里唯一的 一所学校啊! Teacher:I know. 我知道.